MCQ
Crystalline allotrope of silicon has:
- ✓Diamond like structure
- BGraphite like structure
- Cfullerene like structure
- D$\mathrm{sp}^2$ hybridization
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Product $(A)$ is
$(i)$ $F_2 + 2X^-\to 2F^-+ X_2 (X = Cl, Br, I)$
$(ii)$ $Cl_2 + 2X^-\to 2Cl^-+ X_2 (X = Br, I)$
$(iii)$ $I_2 + 2Br^-\to Br_2 + 2I^-$
option which have only the Correct set of reaction is.
$\mathrm{Eu}^{3+}, \mathrm{Lu}^{3+}, \mathrm{Nd}^{3+}, \mathrm{La}^{3+}, \mathrm{Sm}^{3+}$
$\mathop {{C_2}{H_5}OH}\limits_{\left( I \right)} $ $\mathop {{C_2}{H_5}Cl}\limits_{\left( {II} \right)} $ $\mathop {{C_2}{H_5}C{H_3}}\limits_{\left( {III} \right)} $ $\mathop {{C_2}{H_5}OC{H_3}}\limits_{\left( {IV} \right)} $